Using CC(=O)O[BH-](OC(C)=O)OC(C)=O, Cn1c(Nc2nc3ccc(Cl)cc3s2)nc2cc(C(=O)NCC3CCNCC3)ccc21 to produce Cn1c(Nc2nc3ccc(Cl)cc3s2)nc2cc(C(=O)NCC3CCN(CCO)CC3)ccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.