Using CN1c2cc(Cl)nc(=O)n2CC1(C)C, OCCc1ccc(Cl)s1 to produce CN1c2cc(OCCc3ccc(Cl)s3)nc(=O)n2CC1(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.