Using O=Cc1cccc(C2Nc3cccc4c(=O)[nH]nc(c34)C2c2ccccc2)c1, C1COCCN1 to produce O=c1[nH]nc2c3c(cccc13)NC(c1cccc(CN3CCOCC3)c1)C2c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.