Using COC(=O)CCCC(=O)c1ccc(OCCCC/C=C/c2ccc(OC)cc2)c(CCC(=O)OC)c1 to produce COc1ccc(/C=C/CCCCOc2ccc(C(=O)CCCC(=O)O)cc2CCC(=O)O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.