Using CC(C)(C)OC(=O)N1CCC(Nc2nc3c(s2)CCCC3c2ccccc2)CC1 to produce c1ccc(C2CCCc3sc(NC4CCNCC4)nc32)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.