Using COCCn1nc(-c2ccccc2)nc1CCc1nc2c(C)ncc(C)n2n1 to produce Cc1ncc(C)n2nc(CCc3nc(-c4ccccc4)nn3CCO)nc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.