Using O=C(OCCCOc1c(Cl)cc(OCc2ccccc2)cc1Cl)c1ccccc1 to produce OCCCOc1c(Cl)cc(OCc2ccccc2)cc1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.