Using CC(=O)O[BH-](OC(C)=O)OC(C)=O, O=C(NC1CC1)c1cccc2sc(-c3nc(NCCCNC(=O)C4CCNCC4)ncc3Cl)cc12 to produce CN1CCC(C(=O)NCCCNc2ncc(Cl)c(-c3cc4c(C(=O)NC5CC5)cccc4s3)n2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.