Using COCC(=O)CC(=O)OC, N=C(N)N1CCCC1c1cc(C2CC2)no1 to produce COCc1cc(O)nc(N2CCCC2c2cc(C3CC3)no2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.