Using COC(=O)c1cccc(CC2CCCC=C2c2nc(-c3ccccc3)c(-c3ccccc3)o2)c1C to produce COC(=O)c1cccc(CC2CCCCC2c2nc(-c3ccccc3)c(-c3ccccc3)o2)c1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.