Using O=C1CCCO1, Nc1cccc(/C=C/c2nc3ccccc3s2)c1 to produce O=C(CCCO)Nc1cccc(/C=C/c2nc3ccccc3s2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.