Using OCCCCn1nc(-c2ccccc2)c(-c2ccccc2)c1-c1ccccc1 to produce O=CCCCn1nc(-c2ccccc2)c(-c2ccccc2)c1-c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.