Using CCCCCCCCCCCCCCCCCCBr, CCCCOC(=O)CC(=O)OCCCC to produce CCCCCCCCCCCCCCCCCCC(CCCCCCCCCCCCCCCCCC)(C(=O)OCCCC)C(=O)OCCCC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.