Using [BH3-]C#N, CCOC(=O)CNc1cc(-c2noc(-c3sccc3Cl)n2)ccc1Cl to produce CCOC(=O)CN(C)c1cc(-c2noc(-c3sccc3Cl)n2)ccc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.