Using ICI, CC(=Cn1c2c(c3cc(C)ccc31)CN(C(=O)OCC(Cl)(Cl)Cl)CC2)c1ccncc1 to produce CC(=Cn1c2c(c3cc(C)ccc31)CN(C(=O)OCC(Cl)(Cl)Cl)CC2)C1=CCN(C)C=C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.