Using O=C(c1cccs1)c1cnc2c(cnn2Cc2ccco2)c1O, CCI to produce CCOc1c(C(=O)c2cccs2)cnc2c1cnn2Cc1ccco1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.