Using O=C(NCCO)c1cc(-c2ccccc2)c(=O)n2c1-c1sccc1CC2 to produce O=c1c(-c2ccccc2)cc(C2=NCCO2)c2n1CCc1ccsc1-2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.