Using C=Cc1ccc(C)nc1, CCc1ccc2[nH]c3c(c2c1)CN(C)CC3 to produce CCc1ccc2c(c1)c1c(n2CCc2ccc(C)nc2)CCN(C)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.