Using O=C1NC(=O)c2ccccc21, OCCOCCN1CCN(C(c2ccccc2)c2ccccc2)CC1 to produce O=C1c2ccccc2C(=O)N1CCOCCN1CCN(C(c2ccccc2)c2ccccc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.