Using O=Cc1ccccc1, CC(C)N(C(N)=S)c1ccc2c(c1)OCO2 to produce CC(C)N1C(=S)NC(c2ccccc2)c2cc3c(cc21)OCO3, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.