Using O=C1C(Cl)=C(Cl)C(=O)c2ccccc21, O=C1CCCCN1 to produce O=C1C(Cl)=C(N2CCCCC2=O)C(=O)c2ccccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.