Using C=CC(N)=O, Clc1cc(Cl)c2c(c1)CCC(N1CCCC1)C2 to produce O=C1CCC2=C(CCc3cc(Cl)cc(Cl)c32)N1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.