Using COc1cc2c(cc1O)-c1nc3cc4c(cc3cc1C2)OCO4, CN=C=O to produce CNC(=O)c1cc2c(cc1OC)Cc1cc3cc4c(cc3nc1-2)OCO4, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.