Using C=Cc1ccc(C)cc1, Cc1ccc2[nH]c3c(c2c1)CN(C)CC3 to produce Cc1ccc(CCn2c3c(c4cc(C)ccc42)CN(C)CC3)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.