Using O=c1c(-c2ccccc2)c2n(c(=O)n1Cc1ccccc1)CCCS2 to produce O=c1[nH]c(=O)n2c(c1-c1ccccc1)SCCC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.