Using O=C(CCl)NCC1(O)CN(C(c2ccccc2)c2ccccc2)C1 to produce O=C1COC2(CN1)CN(C(c1ccccc1)c1ccccc1)C2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.