Using NC[C@H]1CN(Cc2ccc(Cl)c(Cl)c2)CCO1, O=C(Cl)CCl to produce O=C(CCl)NC[C@H]1CN(Cc2ccc(Cl)c(Cl)c2)CCO1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.