Using BrCCCOC1CCCCO1, [O-]P(OCc1ccccc1)OCc1ccccc1 to produce O=P(CCCOC1CCCCO1)(OCc1ccccc1)OCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.