Using CCCCCCCc1ccc(OC(C)CCCCC(=O)O)cc1, O=C1COC(=O)C1 to produce CCCCCCCc1ccc(OCCCCCC(=O)C2=C(O)COC2=O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.