Using COCCC1(C(=O)N[C@@H](Cc2ccc(-c3c(C)n(C)c(=O)n(C)c3=O)cc2)C(=O)OC)CCCC1 to produce COCCC1(C(=O)N[C@@H](Cc2ccc(-c3c(C)n(C)c(=O)n(C)c3=O)cc2)C(=O)O)CCCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.