Using CCOC(=O)C(Cc1ccc(NC(=O)OC(C)(C)C)nc1C)C(=O)O to produce C=C(Cc1ccc(NC(=O)OC(C)(C)C)nc1C)C(=O)OCC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.