Using CCOC(=O)c1ccc(Nc2ccc3c(c2)C(C)(C)OC3(C)C)cc1, CC(C)=O to produce CCOC(=O)c1ccc(N(c2ccc3c(c2)C(C)(C)OC3(C)C)C(C)C)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.