Using CCCCOc1ccc(-c2nc(Cl)c(CC(=O)O)n2Cc2ccccc2)cc1 to produce O=C(O)Cc1c(Cl)nc(-c2ccc(O)cc2)n1Cc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.