Using CCOC(=O)C(=Cc1ccc(-c2cccc(NCC(=O)OC(C)(C)C)c2)nc1)OCC to produce CCOC(=O)C(Cc1ccc(-c2cccc(NCC(=O)OC(C)(C)C)c2)nc1)OCC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.