Using Cc1ccc(Nc2c(C)cc(Cl)cc2Cl)c(CC(=O)N(C)C)c1, CCCCO to produce Cc1ccc(Nc2c(C)cc(Cl)cc2Cl)c(CC(=O)O)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.