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