Using ClCC1CO1, CN1C(=O)CN=C(c2ccccc2)c2cc(Cl)ccc21 to produce CN1C(=O)CN2CC(CCl)OC2(c2ccccc2)c2cc(Cl)ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.