Using Brc1ccc(Cc2ccccc2OCc2ccccc2)cc1, O=C1CCCC1 to produce OC1(c2ccc(Cc3ccccc3OCc3ccccc3)cc2)CCCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.