Using CC1(C)OB(c2ccc(C(=O)NC3CC3)s2)OC1(C)C, CCOc1nc(N)nc2ccc(Cl)nc12 to produce CCOc1nc(N)nc2ccc(-c3ccc(C(=O)NC4CC4)s3)nc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.