Using COC(=O)c1ccc(-c2nc(CS(=O)(=O)C3CCN(C(=O)OC(C)(C)C)CC3)c(C)o2)cc1 to produce Cc1oc(-c2ccc(C(=O)O)cc2)nc1CS(=O)(=O)C1CCN(C(=O)OC(C)(C)C)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.