Using CC(C)(C)OC(=O)NNC(=O)OCc1ccccc1, C=C(CCl)CCl to produce C=C1CN(C(=O)OCc2ccccc2)N(C(=O)OC(C)(C)C)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.