Using OCC1(Nc2ccccc2)CCN(Cc2ccccc2)CC1, CN(C)P(=O)(N(C)C)N(C)C to produce COCC1(Nc2ccccc2)CCN(Cc2ccccc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.