Using Oc1ccccc1, O=C(O)c1ncn2c1CN(C(=O)N1CCCC1)c1ccccc1-2 to produce O=C(Oc1ccccc1)c1ncn2c1CN(C(=O)N1CCCC1)c1ccccc1-2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.