Using O=C1Nc2ccccc2C(O)C1C1CCN(Cc2ccccc2)CC1 to produce O=c1[nH]c2ccccc2cc1C1CCN(Cc2ccccc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.