Using C1COCCO1, O=C(Nc1cccc(CN2CCCCC2)c1)c1ccc2c(Cl)nnc(Cl)c2c1 to produce O=C(Nc1cccc(CN2CCCCC2)c1)c1ccc2c(=O)[nH]nc(Cl)c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.