Using O=c1cc(CO)n(Cc2ccncc2)cc1C(c1ccccc1)c1ccccc1 to produce O=Cc1cc(=O)c(C(c2ccccc2)c2ccccc2)cn1Cc1ccncc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.