Using Cc1ccn2cc(CCc3ccc4nc(N)oc4c3)nc2c1, CC(=O)Cl to produce CC(=O)Nc1nc2ccc(CCc3cn4ccc(C)cc4n3)cc2o1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.