Using Cc1ccc2nnc(Sc3ccc4ncc(-c5cnn(C6CNC6)c5)cc4c3)n2n1, CC=O to produce CCN1CC(n2cc(-c3cnc4ccc(Sc5nnc6ccc(C)nn56)cc4c3)cn2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.