Using O=C(O)c1ccc2cc(O)ccc2c1, NC1CCN(Cc2ccccc2)CC1 to produce O=C(NC1CCN(Cc2ccccc2)CC1)c1ccc2cc(O)ccc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.