Using NC12CC3CC(CC(C3)C1)C2, BrCCCOc1cccc(-c2noc3ccsc23)c1 to produce c1cc(OCCCNC23CC4CC(CC(C4)C2)C3)cc(-c2noc3ccsc23)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.