Using O=C([O-])C=CCCCCCc1ncc(-c2ccccc2)c(-c2ccccc2)n1 to produce O=C(O)CCCCCCCc1ncc(-c2ccccc2)c(-c2ccccc2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.