Using CC(=O)Cn1cnc2c1c(=O)n(CC1CCCC1)c(=O)n2CC1CCCC1 to produce CC(O)Cn1cnc2c1c(=O)n(CC1CCCC1)c(=O)n2CC1CCCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.