Using ClCC#CCCl, Cn1nncc1-c1cc(CO[C@H]2CCCN[C@H]2c2ccccc2)c2occc2c1 to produce Cn1nncc1-c1cc(CO[C@H]2CCCN(CC#CCCl)[C@H]2c2ccccc2)c2occc2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.