Using Cc1ccc(C(=O)NC2CC2)cc1-c1ccc(C(=O)NC(C)(C)C)s1, C1CCOC1 to produce Cc1ccc(C(=O)NC2CC2)cc1-c1cc(C=O)c(C(=O)NC(C)(C)C)s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.