Using COc1ccc(Cn2nnc(C[C@H]3CC[C@H](OC(=O)c4ccccc4)CC3)n2)cc1 to produce COc1ccc(Cn2nnc(C[C@H]3CC[C@H](O)CC3)n2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.