Using CCOC(=O)c1cnc2cc(OCc3ccccc3)c(OCc3ccccc3)cn2c1=O to produce O=C(O)c1cnc2cc(OCc3ccccc3)c(OCc3ccccc3)cn2c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.