Using Cc1nc(-c2cn3c(n2)-c2ccc(-c4cnn(C)c4C4CCCNC4)cc2OCC3)n(C(C)C)n1, CC(C)=O to produce Cc1nc(-c2cn3c(n2)-c2ccc(-c4cnn(C)c4C4CCCN(C(C)C)C4)cc2OCC3)n(C(C)C)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.