Using COC(=O)c1cccc(Oc2ccc3nc(NC(=O)C4CC4)oc3c2)c1 to produce O=C(O)c1cccc(Oc2ccc3nc(NC(=O)C4CC4)oc3c2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.