Using CN1CCN(Cc2ccccc2)CC(N)C1, O=C(O)c1n[nH]c2ccccc12 to produce CN1CCN(Cc2ccccc2)CC(NC(=O)c2n[nH]c3ccccc23)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.