Using O=c1cnc2c([nH]1)-c1ccccc1C2(O)c1ccccc1, CC(=O)OC(C)=O to produce CC(=O)OC1(c2ccccc2)c2ccccc2-c2[nH]c(=O)cnc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.