Using CCCc1ccc(-c2c(O)c(C(C)=NNC(=O)c3ccc(C(=O)OC)cc3)nn2C)cc1 to produce CCCc1ccc(-c2c(O)c(C(C)=NNC(=O)c3ccc(C(=O)O)cc3)nn2C)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.