Using CCCC(c1ccc(NC(=O)C(C)(C)C)nc1)C(C(=O)O)C(=O)OCC to produce C=C(C(=O)OCC)C(CCC)c1ccc(NC(=O)C(C)(C)C)nc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.