Using CCCCCN1C(=O)C2(COc3cc(N=C(c4ccccc4)c4ccccc4)ccc32)c2ccccc21 to produce CCCCCN1C(=O)C2(COc3cc(N)ccc32)c2ccccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.