Using Cc1c(C)n2nnnc2c2nc(CON3C(=O)c4ccccc4C3=O)n(CCCCNC(=O)C(C)C)c12, CC(C)=O to produce CC(C)=NOCc1nc2c(c(C)c(C)n3nnnc23)n1CCCCNC(=O)C(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.