Using CCc1ccc2c(-c3ccnc(Cl)c3)c(C(=O)CCCC(=O)O)c(C)nn12 to produce CCc1ccc2c(-c3ccnc(Cl)c3)c(C(O)CCCC(=O)O)c(C)nn12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.