Using O=C(NC(c1ccccc1)c1ccccc1)OC1CCN(Cc2ccccc2)CC1 to produce O=C(NC(c1ccccc1)c1ccccc1)OC1CCNCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.