Using COc1ccc2oc(C(=O)N[C@@H](CC(C)C)C(=O)NC3CC(C)CN(S(=O)(=O)c4ccccn4)CC3O)cc2c1 to produce COc1ccc2oc(C(=O)N[C@@H](CC(C)C)C(=O)N[C@H]3C[C@H](C)CN(S(=O)(=O)c4ccccn4)CC3=O)cc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.