Using CN1CCC(c2nccnc2Oc2ccc(C(=O)c3nc4ccccc4[nH]3)cc2)=CC1=O to produce CN1CCC(c2nccnc2Oc2ccc(C(=O)c3nc4ccccc4[nH]3)cc2)CC1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.