Using Cn1ncc(C(=O)N2CCC2)c1C(=O)O, CCOC(=O)c1nc2cc(N)ccn2n1 to produce CCOC(=O)c1nc2cc(NC(=O)c3c(C(=O)N4CCC4)cnn3C)ccn2n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.