Using CCCCCONC(=O)OC(C)(C)C, Cn1nnnc1C(=NOCc1cccc(Br)n1)c1ccccc1 to produce CCCCCON(C(=O)OC(C)(C)C)c1cccc(CON=C(c2ccccc2)c2nnnn2C)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.