Using O=C1CCCCC1, COC(=O)c1cc2[nH]c(-c3ccccc3)cc2s1 to produce COC(=O)c1cc2[nH]c(-c3ccccc3)c(C3=CCCCC3)c2s1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.